202423051 has 4 divisors (see below), whose sum is σ = 202519912. Its totient is φ = 202326192.

The previous prime is 202423037. The next prime is 202423073. The reversal of 202423051 is 150324202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202423051 - 2⁵ = 202423019 is a prime.

It is a super-2 number, since 2×202423051² = 81950183152297202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202423751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45225 + ... + 49498.

It is an arithmetic number, because the mean of its divisors is an integer number (50629978).

Almost surely, 2^202423051 is an apocalyptic number.

202423051 is a deficient number, since it is larger than the sum of its proper divisors (96861).

202423051 is an equidigital number, since it uses as much as digits as its factorization.

202423051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96860.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 202423051 is about 14227.5455015965. The cubic root of 202423051 is about 587.1557552333.

Adding to 202423051 its reverse (150324202), we get a palindrome (352747253).

The spelling of 202423051 in words is "two hundred two million, four hundred twenty-three thousand, fifty-one".